Home / 92,974,181.17-128,012,316.20-79,006,074.61

Finding the Fourth Proportional to 92,974,181.17, 128,012,316.20 and 79,006,074.61

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Solution

The fourth proportional to 92,974,181.17, 128,012,316.20 and 79,006,074.61 is: 108,780,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974,181.17 : 128,012,316.20 = 79,006,074.61 : x
  2. Step 2: Convert to fraction form
    92,974,181.17/128,012,316.20 = 79,006,074.61/x
  3. Step 3: Cross multiply
    92,974,181.17x = 128,012,316.20 × 79,006,074.61
  4. Step 4: Simplify right side
    92,974,181.17x = 10,113,750,604,301,080
  5. Step 5: Solve for x
    x = 10,113,750,604,301,080/92,974,181.17
  6. Step 6: Final answer
    x = 108,780,206.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.